#container{
 background:rgba(52,54,66,0.9);
 width: 100%;
 height: 100%;
 z-index:3;
 opacity:1;
 position: fixed;
    top: 0;
    left: 0;
}
.main{
    text-align: center; /*让div内部文字居中*/
    background-color: #fff;
    border-radius: 5px;
    width: 500px;
    height: 250px;
    margin: auto;
 padding-top:2%;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}
table{
 margin: auto;
}
a{
 text-decoration:none;
 width:auto;
 float:right;
 padding-right:10%;
 padding-top:2px;
 
}

a:hover{
 font-weight:900;
 color:gray;
 cursor:hand;
}
input{
 text-align: right; 
     border-width: 1px;
}

td{
	text-align:left;
}